| East Yorkshire Homes Limited | Real estate | 2018 |
| East Yorkshire Hydraulics Limited | Manufacturing | 1999 |
| East Yorkshire Insulation Limited | Professional & scientific | 2022 |
| East Yorkshire Insurance Brokers Ltd | Financial services | 2019 |
| East Yorkshire LCV Sales Ltd | Wholesale & retail | 2026 |
| East Yorkshire Longevity Medicine Limited | Health & social care | 2025 |
| East Yorkshire Photography Limited | Professional & scientific | 2025 |
| East Yorkshire Plant Hire Ltd | Extraterritorial | 2018 |
| East Yorkshire Projects (Holding) Limited | Real estate | 2026 |
| East Yorkshire Projects Limited | Professional & scientific | 2016 |
| East Yorkshire Property Investments Limited | Real estate | 2005 |
| East Yorkshire Property Management Ltd | Real estate | 2025 |
| East Yorkshire Recruitment Ltd | Administrative & support | 2025 |
| East Yorkshire Resin Driveways Ltd | Construction | 2020 |
| East Yorkshire Rivers Trust | Agriculture & fishing | 2006 |
| East Yorkshire Sea Fishing Baits Ltd | Wholesale & retail | 2025 |
| East Yorkshire Security Ltd | Administrative & support | 2020 |
| East Yorkshire Sheds & Summerhouses Ltd | Manufacturing | 2023 |
| East Yorkshire Shutters Limited | Manufacturing | 2007 |
| East Yorkshire Stone Ltd | Wholesale & retail | 2024 |
| East Yorkshire Tiling Contractors Limited | Construction | 2010 |
| East Yorkshire Trading Company Limited | Hospitality | 2019 |
| East Yorkshire Van Sales Ltd | Wholesale & retail | 2025 |
| East Yorkshire Vapes Limited | Wholesale & retail | 2017 |
| East Yorkshire Waste and Skip Hire Ltd | Water & waste | 2024 |
| East Yorkshire Wills & Securities Limited | Professional & scientific | 2001 |
| Eastburn Property Group Ltd | Real estate | 2025 |
| Eastcoast Bodyworx Ltd | Wholesale & retail | 2021 |
| Eastern Marine Services Limited | Agriculture & fishing | 2023 |
| Eastern Pyro Ltd. | Arts & recreation | 2009 |
| Eastfield Farm Limited | Agriculture & fishing | 2015 |
| Eastgate Court Management Company Limited | Real estate | 1985 |
| Easton Court Management Limited | Households | 1973 |
| Easton Meadows Management Company Limited | Real estate | 2014 |
| Eastside Community Sports | Arts & recreation | 2007 |
| Eastside Gym Ltd | Arts & recreation | 2011 |
| Eastside Stronger Communities CIC | Education | 2025 |
| Eastsun Catering Ltd | Manufacturing | 2024 |
| Eastwolds Ltd | Administrative & support | 2015 |
| Eastwood Fire Protection Ltd | Construction | 2016 |
| Easy FIX Mobile Tyres Ltd | Manufacturing | 2019 |
| Easy Shop Minimarket Ltd | Wholesale & retail | 2025 |
| Easybuy Limited | Wholesale & retail | 2007 |
| EAT Sweet Hull Ltd | Hospitality | 2025 |
| Eazy Build Yorkshire Ltd | Administrative & support | 2020 |
| Eazy Lets (Beverley) Ltd | Real estate | 2021 |
| Eazy Rooms Limited | Real estate | 2015 |
| EB Joinery Ltd | Construction | 2025 |
| Ebata Ltd | Health & social care | 2018 |
| Ebbcourt Limited | Real estate | 1992 |
| EC Estates Limited | Real estate | 2006 |
| EC GAS Plumbing and Heating Services Limited | Construction | 2023 |
| EC UK Services Ltd | Wholesale & retail | 2018 |
| Echo Digital Creative Limited | Information & communication | 2012 |
| Echo Three Distribution Limited | Wholesale & retail | 2016 |
| Echoes Community Studio Ltd | Arts & recreation | 2025 |
| Eclectic Music Ltd | Arts & recreation | 2022 |
| Eclipse Motor Transport Company,Limited(The) | Transport & logistics | 1920 |
| Eclipse Transport Group Limited | Financial services | 2012 |
| Ecliptic Soundworks Ltd | Information & communication | 2025 |
| Eco Aluminium Ltd | Water & waste | 2025 |
| Eco and Zero Ltd | Construction | 2026 |
| Eco Apex Ltd | Energy | 2022 |
| Eco Brite Cleaning Services Limited | Administrative & support | 2014 |
| Eco Char Biomass Ltd | Water & waste | 2024 |
| Eco FM Hull Ltd | Construction | 2025 |
| Eco Group Hull Ltd | Construction | 2021 |
| Eco Hub (National) Ltd | Professional & scientific | 2024 |
| Eco Leisure Supplies Ltd | Water & waste | 2022 |
| Eco Park Developments Ltd | Real estate | 2013 |
| Eco Planet Recycling Ltd | Water & waste | 2024 |
| Eco Power Hull Limited | Wholesale & retail | 2009 |
| Eco Preservation Limited | Construction | 2014 |
| Eco Waste Management Limited | Water & waste | 2019 |
| Eco Zero Ltd | Construction | 2026 |
| Eco-Forklifts Ltd | Manufacturing | 2025 |
| Ecodial Limited | Information & communication | 2016 |
| Ecoframes & Energy Saving Solutions Ltd | Manufacturing | 2009 |
| Ecoglaze Hull Limited | Construction | 2022 |
| Ecom Facilitators Ltd | Wholesale & retail | 2025 |
| Ecom Vibe Store Ltd | Wholesale & retail | 2024 |
| Ecostar Environmental Ltd. | Administrative & support | 2013 |
| Ecotone Ltd | Manufacturing | 2018 |
| Ecova Timber Products Ltd | Wholesale & retail | 2022 |
| Ecovent Ltd | Manufacturing | 2024 |
| ED Entertainments Limited | Arts & recreation | 2006 |
| Edapp Healthcare Limited | Health & social care | 2025 |
| Eddie Beedle Holdings Limited | Financial services | 2023 |
| EDE Properties Ltd | Real estate | 2025 |
| Eden Redshaw Ltd | Health & social care | 2019 |
| Eden Satin Ltd | Hospitality | 2025 |
| Edenic Group Ltd | Professional & scientific | 2019 |
| Edgars & Sons Ltd | Transport & logistics | 2017 |
| Edinburgh Systems Support Limited | Information & communication | 1997 |
| Edmund Finance Limited | Financial services | 2013 |
| Edmunds Industries Ltd | Professional & scientific | 2026 |
| EDP Transport Ltd | Transport & logistics | 2025 |
| EDS Construction & Engineering Consulting Limited | Construction | 2018 |
| EDS Humber Ltd | Information & communication | 2024 |
| EDS Properties and Development Ltd | Real estate | 2020 |